Audi A4 B8 A5 8T A6 C7 2.0 TDI Complete Engine CNHA 190HP 49k miles, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

Audi A4 B8 A5 8T A6 C7 2.0 TDI Complete Engine CNHA 190HP 49k miles, WARRANTY is a complete powertrain from the TDI family, designed for modern Audi models equipped with the popular four-cylinder diesel engine. The unit with the CNHA code offers dynamic performance, high driving refinement, and favorable fuel efficiency, making it an attractive choice for engine replacement in mid-size and premium vehicles.

Specifications and technical data

• SKU: 04L100091A-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L100091A
• Substitutable numbers: 04L100091A, 04L 100 091 A, 04L100091AX, 04L 100 091 AX
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: CNHA
• Mileage: 49 000

Technical characteristics of the CNHA 2.0 TDI engine

The CNHA engine belongs to the modern generation of 2.0 TDI diesel units, designed to combine efficiency, flexibility, and reduced fuel consumption. The four-cylinder construction provides a balanced compromise between powertrain weight and performance, which translates into smooth acceleration in both city traffic and on the highway.

The unit was developed specifically for compatibility with advanced control electronics and modern injection systems, allowing for precise fuel metering and stable operation across a wide range of loads. The complete engine in this configuration serves as a solid foundation for a professional powertrain replacement in premium segment Audi vehicles.

Application in Audi A4 B8, A5 8T, A6 C7 models

The presented powertrain is intended for use in popular Audi models: the B8 generation A4, A5 8T, and A6 C7, making it a versatile solution for various body styles and equipment configurations. This allows the engine to be matched to different vehicle variants while maintaining consistency with the factory powertrain architecture.

The CNHA 2.0 TDI engine is particularly valued in applications where a combination of stable power, long-distance driving comfort, and predictable operating costs is essential. The Engines category includes components crucial for vehicle reliability, and the proper selection of the powertrain has a direct impact on the durability of the entire system.

Condition, mileage, and operational potential

The offered engine comes from the secondary market, which allows for significant repair cost savings compared to brand-new units. The declared mileage of the unit is relatively low for a modern diesel, which translates into preserved operational potential and the possibility of long-term performance with proper maintenance.

In practice, this means that with proper installation, the use of correct operating fluids, and regular maintenance, the used CNHA engine can be a rational alternative to the costly regeneration of an old unit or the purchase of a new powertrain.

Selection by engine code and OEM numbers

When replacing a powertrain in modern Audi models, precise matching by engine code and manufacturer catalog numbers is crucial. The CNHA engine should be selected based on vehicle documentation, data from service systems, and information stored in the controllers to ensure full compatibility with the electrical installation, accessories, and software.

In case of doubt, it is worth using professional selection procedures based on VIN or OEM numbers, which minimizes the risk of problems during installation and startup. A detailed discussion of this topic can be found in the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which describes the practical aspects of purchasing and installing used powertrains.

Benefits of installing a complete 2.0 TDI engine

Choosing a complete 2.0 TDI CNHA engine for an Audi A4 B8, A5 8T, or A6 C7 allows you to shorten repair time and limit the number of potential points of incompatibility between the old and new units. The powertrain in this configuration is prepared for integration with the factory control system, which facilitates workshop work and speeds up the vehicle startup process after replacement.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as blocks, cylinder heads, or complete powertrains, check the available parts in the Audi Engines category.